Question: who is the publisher and developer of Dota_2?
Paraphrase: Who published and developed the video game Dota 2?
SPARQL (Wikidata): SELECT ?ans_1 ?ans_2 WHERE { wd:Q771541 wdt:P123 ?ans_1 . wd:Q771541 wdt:P178 ?ans_2 }
Answer: Valve Corporation, Valve Corporation, Valve Corporation, Perfect World